When Are Popescu-Rohrlich Boxes and Random Access Codes Equivalent?
When Are Popescu-Rohrlich Boxes and Random Access Codes Equivalent?
We study a problem of interconvertibility of two supraquantum resources: one is the so-called Popescu-Rohrlich (PR) box, which violates Clauser-Horne-Shimony-Holt inequality up to the maximal algebraic bound, and the second is the so-called random access code (RAC). The latter is a functionality that enables Bob (receiver) to choose one of …